*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

header{

}

.countdown{
    background-image: url("../img/bj.png");
    width: 190px;
    height: 260px;
    margin: auto;
}

.countdown-title {
    width: 100%;
    text-align: center;
    font-size: 30px;
    font-weight: 700;
    padding-top: 31px;
    color: #ffffff;
}

.countdown-desc {
    padding-top: 90px;
    font-size: 14px;
    text-align: center;
    color: #ffffff;
}

.countdown-desc strong {
    font-size: 18px;
    padding-right: 2px;
    display: inline-block;
    vertical-align: middle;
}

.countdown-main span {
    float: left;
    width: 30px;
    height: 30px;
    text-align: center;
    background-color: #2f3430;
    margin-right: 20px;
    color: white;
    font-size: 20px;
    position: relative;
}

.countdown-main .span:after {
    content: ":";
    display: block;
    position: absolute;
    right: -20px;
    font-weight: bolder;
    font-size: 18px;
    width: 20px;
    height: 100%;
    top: 0;
}

.countdown-main {
    margin-left: auto;
    margin-right: 9px;
    width: 150px;
    height: 30px;
    margin-top: 15px;
    display: block;
}
